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Model kW Volts Phase Amp Draw Breaker or Copper Conduit
L1 L2 L3 Fuse Size Wire Size Size
LI663CFC 6 208 1 29 29 - 40 8 1/2" (13 mm)
LI663CFD 6 208 3 14 25 14 40 8 1/2" (13 mm)
LI663CFE 6 240 1 25 25 - 40 8 1/2" (13 mm)
LI663CFF 6 240 3 13 22 13 30 10 1/2" (13 mm)
LI663CFM 6 480 3611 6 15 14 1/2" (13 mm)
LI693CFC 9 208 1 43 43 - 60 6 1/2" (13 mm)
LI693CFD 9 208 3 22 38 22 50 8 1/2" (13 mm)
LI693CFE 9 240 1 38 38 - 50 8 1/2" (13 mm)
LI693CFF 9 240 3 19 33 19 50 8 1/2" (13 mm)
LI693CFM 9 480 3916 9 20 12 1/2" (13 mm)
LI6123CFC 12 208 1 58 58 - 90 3 1" (25 mm)
LI6123CFD 12 208 3 33 33 33 50 8 1/2" (13 mm)
LI6123CFE 12 240 1 50 50 - 70 6 1/2" (13 mm)
LI6123CFF 12 240 3 29 29 29 40 8 1/2" (13 mm)
LI6123CFM 12 480 3 14.5 14.5 14.5 20 12 1/2" (13 mm)
LI6153CFC 15 208 1 72 72 - 90 3 1" (25 mm)
LI6153CFD 15 208 3 41.7 41.7 41.7 60 6 3/4" (19 mm)
LI6153CFE 15 240 1 62.5 62.5 - 90 3 1" (25 mm)
LI6153CFF 15 240 3 36.1 36.1 36.1 50 8 1/2" (13 mm)
LI6153CFM 15 480 3 18.1 18.1 18.1 30 10 1/2" (13 mm)
LI6183CFC 18 208 1 86.5 86.5 - 125 1 1-1/4" (32 mm)
LI6183CFE 18 240 1 75 75 - 100 3 1" (25 mm)
LI6183CFF 18 240 3 43.4 43.4 43.4 60 6 3/4" (19 mm)
LI6183CFM 18 480 3 21.7 21.7 21.7 30 10 1/2" (13 mm)
LI6243CFC 24 208 1 115.4 115.4 - 150 1/0 1-1/4" (32 mm)
LI6243CFD 24 208 3 66.7 66.7 66.7 90 3 1" (25 mm)
LI6243CFE 24 240 1 100 100 - 125 1 1-1/4" (32 mm)
LI6243CFF 24 240 3 57.8 57.8 57.8 90 3 1-1/4" (32 mm)
LI6243CFM 24 480 3 29.9 29.9 29.9 40 8 1/2" (13 mm)
LI6303CFC 30 208 1 144 144 - 200 3/0 1-1/2" (38 mm)
LI6303CFD 30 208 3 83.3 83.3 83.3 125 1 1-1/4" (32 mm)
LI6303CFE 30 240 1 125 125 - 175 2/0 1-1/2" (38 mm)
LI6303CFF 30 240 3 72.3 72.3 72.3 100 3 1" (25 mm)
LI6303CFM 30 480 3 36 36 36 50 8 1/2" (13 mm)
SPECIFICATIONS
Form No. EBOOSTERBWM-1009
4
Circuit Breaker and Fused Disconnect Switch Sizes — 6 to 30 kW
Wire size is based on THHN wire for branch circuit protection at .91 derate factor. Circuit breakers and fused disconnects are to
be mounted remote and wired by contractor. Sizes are based on the 2002 NEC table 310-16. Conduit size based on conductors
plus ground wire sizing per Table C1 from Appendix C.
Only 6 and 9 kW models can be field converted to single- or three-phase (open delta on 3-phase). Check wiring diagram supplied
with the unit when converting the phase of a unit. Larger branch circuit required than for balanced 3-phase of equal kW. Balanced
3-phase available, consult factory.
NOTE: 250 kcmil maximum wire size for terminal block.
WARNING! Consult a licensed electrical contractor for proper electrical installation conforming to local electrical codes
and the National Electrical Code (N.E.C.).